第7题: [单项选择]氧离曲线移位，下列哪项说法正确（） A. 氧离曲线右移表明血红蛋白与氧的亲和力增高，氧离曲线左移表明血红蛋白与氧的亲和力下降 B. 氧离曲线右移或左移均可使血红蛋白与氧的亲和力增高 C. 氧离曲线右移或左移均可使血红蛋白与氧的亲和力降低 D. 氧离曲线左移表明血红蛋白与氧的亲和力增高，氧离曲线右移表明血红蛋白与氧的亲和力降低 E. 氧离曲线向左移动比向右移动对缺氧病人有利 参考答案:D
第24题: [单项选择]GE's management made the decision ________. A. to help place all its workers with other companies B. to lay off about 300 workers C. to send 1,200 letters to personnel managers across the United States D. to recruit professional and skilled workers 参考答案:B 答案解析:[解析] 事实细节题。根据第二段第二句对解雇工人背景的叙述可知，“由于与政府和私营机构合同数目的减少，通用电气分公司决定辞退300名工人”(The GE division decided to lay
